Home

CVE-2021-43056

Description

An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.

Risk Information

Base Score
5.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.023

Associated Vulnerability

VulnerabilityOS Platform
Advanced Python development support library (USN-5138-1) pypy-py_1.5.2-1ubuntu0.1_all.debLinux
Advanced Python development support library (USN-5138-1) pypy-py_1.8.1-1ubuntu0.1_all.debLinux
Advanced Python development support library (USN-5138-1) python-py_1.5.2-1ubuntu0.1_all.debLinux
Advanced Python development support library (USN-5138-1) python-py_1.8.1-1ubuntu0.1_all.debLinux
Advanced Python development support library (USN-5138-1) python3-py_1.5.2-1ubuntu0.1_all.debLinux
Advanced Python development support library (USN-5138-1) python3-py_1.8.1-1ubuntu0.1_all.debLinux
Linux kernel for OEM systems (USN-5165-1) linux-image-oem-20.04d_5.14.0.1008.8_amd64.debLinux
Linux kernel for OEM systems (USN-5165-1) linux-image-5.14.0-1008-oem_5.14.0-1008.8_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.13.0.1008.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.11.0.1023.24~20.04.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.13.0.1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.11.0.1024.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.11.0.1024.26~20.04.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gke_5.13.0.1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gke_5.11.0.1024.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-kvm_5.13.0.1007.7_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-kvm_5.11.0.1021.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.13.0.1009.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.11.0.1023.24~20.04.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.13.0.1011.13_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.11.0.1023.24~20.04.16_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oem-20.04_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oem-20.04_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1021-kvm_5.11.0-1021.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-aws_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-aws_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1024-gcp_5.11.0-1024.26_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1024-gcp_5.11.0-1024.26~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1007-kvm_5.13.0-1007.7_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1008-aws_5.13.0-1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1008-gcp_5.13.0-1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-azure_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-azure_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-generic_5.11.0-44.48_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-generic_5.11.0-44.48~20.04.2_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1009-azure_5.13.0-1009.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-23-generic_5.13.0-23.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-oracle_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-oracle_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1011-oracle_5.13.0-1011.13_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-lowlatency_5.11.0-44.48_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-lowlatency_5.11.0-44.48~20.04.2_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-23-lowlatency_5.13.0-23.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel for OEM systems (USN-5218-1) linux-image-oem-20.04c_5.13.0.1026.29_amd64.debLinux
Linux kernel for OEM systems (USN-5218-1) linux-image-5.13.0-1026-oem_5.13.0-1026.32_amd64.debLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-abi-stablelists-4.18.0-372.9.1.el8.noarch.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-cross-headers-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-doc-4.18.0-372.9.1.el8.noarch.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-tools-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-tools-libs-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update python3-perf-4.18.0-372.9.1.el8.x86_64.rpmLinux
Linux kernel for OEM systems (USN-5139-1) linux-image-5.10.0-1051-oem_5.10.0-1051.53_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1010-ibm_5.4.0-1010.11_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1051-kvm_5.4.0-1051.53_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30_amd64.debLinux
raspi (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30~18.04.2_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_i386.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_i386.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234